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700 lines
23 KiB
HTML
700 lines
23 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>KeyframeEffect.getKeyframes() for CSS animations</title>
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<!-- TODO: Add a more specific link for this once it is specified. -->
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<link rel="help" href="https://drafts.csswg.org/css-animations-2/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/testcommon.js"></script>
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<style>
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@keyframes anim-empty { }
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@keyframes anim-empty-frames {
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from { }
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to { }
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}
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@keyframes anim-only-timing {
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from { animation-timing-function: linear; }
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to { }
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}
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@keyframes anim-only-non-animatable {
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from { animation-duration: 3s; }
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to { animation-duration: 5s; }
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}
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@keyframes anim-simple {
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from { color: rgb(0, 0, 0); }
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to { color: rgb(255, 255, 255); }
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}
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@keyframes anim-simple-three {
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from { color: rgb(0, 0, 0); }
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50% { color: rgb(0, 0, 255); }
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to { color: rgb(255, 255, 255); }
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}
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@keyframes anim-simple-timing {
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from { color: rgb(0, 0, 0); animation-timing-function: linear; }
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50% { color: rgb(0, 0, 255); animation-timing-function: ease-in-out; }
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to { color: rgb(255, 255, 255); animation-timing-function: step-end; }
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}
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@keyframes anim-simple-timing-some {
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from { color: rgb(0, 0, 0); animation-timing-function: linear; }
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50% { color: rgb(0, 0, 255); }
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to { color: rgb(255, 255, 255); }
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}
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@keyframes anim-simple-shorthand {
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from { margin: 8px; }
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to { margin: 16px; }
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}
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@keyframes anim-omit-to {
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from { color: rgb(0, 0, 255); }
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}
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@keyframes anim-omit-from {
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to { color: rgb(0, 0, 255); }
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}
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@keyframes anim-omit-from-to {
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50% { color: rgb(0, 0, 255); }
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}
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@keyframes anim-partially-omit-to {
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from { margin-top: 50px;
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margin-bottom: 100px; }
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to { margin-top: 150px !important; /* ignored */
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margin-bottom: 200px; }
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}
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@keyframes anim-different-props {
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from { color: rgb(0, 0, 0); margin-top: 8px; }
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25% { color: rgb(0, 0, 255); }
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75% { margin-top: 12px; }
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to { color: rgb(255, 255, 255); margin-top: 16px }
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}
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@keyframes anim-different-props-and-easing {
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from { color: rgb(0, 0, 0); margin-top: 8px; animation-timing-function: linear; }
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25% { color: rgb(0, 0, 255); animation-timing-function: step-end; }
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75% { margin-top: 12px; animation-timing-function: ease-in; }
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to { color: rgb(255, 255, 255); margin-top: 16px }
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}
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@keyframes anim-merge-offset {
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from { color: rgb(0, 0, 0); }
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to { color: rgb(255, 255, 255); }
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from { margin-top: 8px; }
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to { margin-top: 16px; }
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}
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@keyframes anim-merge-offset-and-easing {
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from { color: rgb(0, 0, 0); animation-timing-function: step-end; }
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to { color: rgb(255, 255, 255); }
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from { margin-top: 8px; animation-timing-function: linear; }
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to { margin-top: 16px; }
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from { font-size: 16px; animation-timing-function: step-end; }
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to { font-size: 32px; }
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from { padding-left: 2px; animation-timing-function: linear; }
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to { padding-left: 4px; }
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}
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@keyframes anim-no-merge-equiv-easing {
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from { margin-top: 0px; animation-timing-function: steps(1, end); }
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from { margin-right: 0px; animation-timing-function: step-end; }
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from { margin-bottom: 0px; animation-timing-function: steps(1); }
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50% { margin-top: 10px; animation-timing-function: step-end; }
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50% { margin-right: 10px; animation-timing-function: step-end; }
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50% { margin-bottom: 10px; animation-timing-function: step-end; }
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to { margin-top: 20px; margin-right: 20px; margin-bottom: 20px; }
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}
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@keyframes anim-overriding {
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from { padding-top: 50px }
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50%, from { padding-top: 30px } /* wins: 0% */
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75%, 85%, 50% { padding-top: 20px } /* wins: 75%, 50% */
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100%, 85% { padding-top: 70px } /* wins: 100% */
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85.1% { padding-top: 60px } /* wins: 85.1% */
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85% { padding-top: 30px } /* wins: 85% */
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}
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@keyframes anim-filter {
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to { filter: blur(5px) sepia(60%) saturate(30%); }
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}
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@keyframes anim-filter-drop-shadow {
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from { filter: drop-shadow(10px 10px 10px rgb(0, 255, 0)); }
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to { filter: drop-shadow(50px 30px 10px rgb(255, 0, 0)); }
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}
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@keyframes anim-text-shadow {
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to { text-shadow: none; }
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}
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@keyframes anim-background-size {
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to { background-size: 50%, 6px, contain }
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}
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:root {
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--var-100px: 100px;
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--end-color: rgb(255, 0, 0);
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}
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@keyframes anim-variables {
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to { transform: translate(var(--var-100px), 0) }
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}
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@keyframes anim-variables-shorthand {
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to { margin: var(--var-100px) }
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}
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@keyframes anim-custom-property-in-keyframe {
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to { --end-color: rgb(0, 255, 0); color: var(--end-color) }
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}
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@keyframes anim-only-custom-property-in-keyframe {
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from { transform: translate(100px, 0) }
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to { --not-used: 200px }
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}
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</style>
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<body>
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<div id="log"></div>
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<script>
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"use strict";
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const getKeyframes = elem => elem.getAnimations()[0].effect.getKeyframes();
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// animation-timing-function values to test with, where the value
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// is exactly the same as its serialization, sorted by the order
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// getKeyframes() will group frames with the same easing function
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// together (by nsTimingFunction::Compare).
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const kTimingFunctionValues = [
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"ease",
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"linear",
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"ease-in",
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"ease-out",
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"ease-in-out",
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"steps(1, start)",
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"steps(2, start)",
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"steps(1)",
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"steps(2)",
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"cubic-bezier(0, 0, 1, 1)",
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"cubic-bezier(0, 0.25, 0.75, 1)"
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];
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-empty 100s';
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assert_equals(getKeyframes(div).length, 0,
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"number of frames with empty @keyframes");
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div.style.animation = 'anim-empty-frames 100s';
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assert_equals(getKeyframes(div).length, 0,
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"number of frames when @keyframes has empty keyframes");
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div.style.animation = 'anim-only-timing 100s';
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assert_equals(getKeyframes(div).length, 0,
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"number of frames when @keyframes only has keyframes with " +
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"animation-timing-function");
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div.style.animation = 'anim-only-non-animatable 100s';
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assert_equals(getKeyframes(div).length, 0,
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"number of frames when @keyframes only has frames with " +
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"non-animatable properties");
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}, 'KeyframeEffect.getKeyframes() returns no frames for various kinds'
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+ ' of empty enimations');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-simple 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease",
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color: "rgb(0, 0, 0)", composite: "auto" },
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{ offset: 1, computedOffset: 1, easing: "ease",
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color: "rgb(255, 255, 255)", composite: "auto" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
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+ ' animation');
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test(t => {
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for (const easing of kTimingFunctionValues) {
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const div = addDiv(t);
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div.style.animation = 'anim-simple-three 100s ' + easing;
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const frames = getKeyframes(div);
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assert_equals(frames.length, 3, "number of frames");
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for (let i = 0; i < frames.length; i++) {
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assert_equals(frames[i].easing, easing,
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"value for 'easing' on ComputedKeyframe #" + i);
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}
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}
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}, 'KeyframeEffect.getKeyframes() returns frames with expected easing'
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+ ' values, when the easing comes from animation-timing-function on the'
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+ ' element');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-simple-timing 100s';
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const frames = getKeyframes(div);
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assert_equals(frames.length, 3, "number of frames");
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assert_equals(frames[0].easing, "linear",
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"value of 'easing' on ComputedKeyframe #0");
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assert_equals(frames[1].easing, "ease-in-out",
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"value of 'easing' on ComputedKeyframe #1");
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assert_equals(frames[2].easing, "steps(1)",
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"value of 'easing' on ComputedKeyframe #2");
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}, 'KeyframeEffect.getKeyframes() returns frames with expected easing'
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+ ' values, when the easing is specified on each keyframe');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-simple-timing-some 100s step-start';
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const frames = getKeyframes(div);
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assert_equals(frames.length, 3, "number of frames");
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assert_equals(frames[0].easing, "linear",
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"value of 'easing' on ComputedKeyframe #0");
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assert_equals(frames[1].easing, "steps(1, start)",
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"value of 'easing' on ComputedKeyframe #1");
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assert_equals(frames[2].easing, "steps(1, start)",
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"value of 'easing' on ComputedKeyframe #2");
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}, 'KeyframeEffect.getKeyframes() returns frames with expected easing'
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+ ' values, when the easing is specified on some keyframes');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-simple-shorthand 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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marginBottom: "8px", marginLeft: "8px",
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marginRight: "8px", marginTop: "8px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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marginBottom: "16px", marginLeft: "16px",
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marginRight: "16px", marginTop: "16px" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
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+ ' animation that specifies a single shorthand property');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-omit-to 100s';
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div.style.color = 'rgb(255, 255, 255)';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 255)" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with a 0% keyframe and no 100% keyframe');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-omit-from 100s';
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div.style.color = 'rgb(255, 255, 255)';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 255)" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with a 100% keyframe and no 0% keyframe');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-omit-from-to 100s';
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div.style.color = 'rgb(255, 255, 255)';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)" },
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{ offset: 0.5, computedOffset: 0.5, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 255)" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with no 0% or 100% keyframe but with a 50% keyframe');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-partially-omit-to 100s';
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div.style.marginTop = '250px';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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marginTop: '50px', marginBottom: '100px' },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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marginTop: '250px', marginBottom: '200px' },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with a partially complete 100% keyframe (because the ' +
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'!important rule is ignored)');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-different-props 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 0)", marginTop: "8px" },
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{ offset: 0.25, computedOffset: 0.25, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 255)" },
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{ offset: 0.75, computedOffset: 0.75, easing: "ease", composite: "auto",
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marginTop: "12px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)", marginTop: "16px" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with different properties on different keyframes, all ' +
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'with the same easing function');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-different-props-and-easing 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "linear", composite: "auto",
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color: "rgb(0, 0, 0)", marginTop: "8px" },
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{ offset: 0.25, computedOffset: 0.25, easing: "steps(1)", composite: "auto",
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color: "rgb(0, 0, 255)" },
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{ offset: 0.75, computedOffset: 0.75, easing: "ease-in", composite: "auto",
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marginTop: "12px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)", marginTop: "16px" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with different properties on different keyframes, with ' +
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'a different easing function on each');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-merge-offset 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
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color: "rgb(0, 0, 0)", marginTop: "8px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)", marginTop: "16px" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with multiple keyframes for the same time, and all with ' +
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'the same easing function');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-merge-offset-and-easing 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "steps(1)", composite: "auto",
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color: "rgb(0, 0, 0)", fontSize: "16px" },
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{ offset: 0, computedOffset: 0, easing: "linear", composite: "auto",
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marginTop: "8px", paddingLeft: "2px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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color: "rgb(255, 255, 255)", fontSize: "32px", marginTop: "16px",
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paddingLeft: "4px" },
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];
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assert_frame_lists_equal(frames, expected);
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}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
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'animation with multiple keyframes for the same time and with ' +
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'different easing functions');
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test(t => {
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const div = addDiv(t);
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div.style.animation = 'anim-no-merge-equiv-easing 100s';
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const frames = getKeyframes(div);
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const expected = [
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{ offset: 0, computedOffset: 0, easing: "steps(1)", composite: "auto",
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marginTop: "0px", marginRight: "0px", marginBottom: "0px" },
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{ offset: 0.5, computedOffset: 0.5, easing: "steps(1)", composite: "auto",
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marginTop: "10px", marginRight: "10px", marginBottom: "10px" },
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{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
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marginTop: "20px", marginRight: "20px", marginBottom: "20px" },
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];
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assert_frame_lists_equal(frames, expected);
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|
}, 'KeyframeEffect.getKeyframes() returns expected frames for an ' +
|
|
'animation with multiple keyframes for the same time and with ' +
|
|
'different but equivalent easing functions');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-overriding 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
paddingTop: "30px" },
|
|
{ offset: 0.5, computedOffset: 0.5, easing: "ease", composite: "auto",
|
|
paddingTop: "20px" },
|
|
{ offset: 0.75, computedOffset: 0.75, easing: "ease", composite: "auto",
|
|
paddingTop: "20px" },
|
|
{ offset: 0.85, computedOffset: 0.85, easing: "ease", composite: "auto",
|
|
paddingTop: "30px" },
|
|
{ offset: 0.851, computedOffset: 0.851, easing: "ease", composite: "auto",
|
|
paddingTop: "60px" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
paddingTop: "70px" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected frames for ' +
|
|
'overlapping keyframes');
|
|
|
|
// Gecko-specific test case: We are specifically concerned here that the
|
|
// computed value for filter, "none", is correctly represented.
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-filter 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
filter: "none" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
filter: "blur(5px) sepia(60%) saturate(30%)" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with filter properties and missing keyframes');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-filter-drop-shadow 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
filter: "drop-shadow(rgb(0, 255, 0) 10px 10px 10px)" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
filter: "drop-shadow(rgb(255, 0, 0) 50px 30px 10px)" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animation with drop-shadow of filter property');
|
|
|
|
// Gecko-specific test case: We are specifically concerned here that the
|
|
// computed value for text-shadow and a "none" specified on a keyframe
|
|
// are correctly represented.
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.textShadow = '1px 1px 2px rgb(0, 0, 0), ' +
|
|
'0 0 16px rgb(0, 0, 255), ' +
|
|
'0 0 3.2px rgb(0, 0, 255)';
|
|
div.style.animation = 'anim-text-shadow 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
textShadow: "rgb(0, 0, 0) 1px 1px 2px,"
|
|
+ " rgb(0, 0, 255) 0px 0px 16px,"
|
|
+ " rgb(0, 0, 255) 0px 0px 3.2px" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
textShadow: "none" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with text-shadow properties and missing keyframes');
|
|
|
|
// Gecko-specific test case: We are specifically concerned here that the
|
|
// initial value for background-size and the specified list are correctly
|
|
// represented.
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.animation = 'anim-background-size 100s';
|
|
let frames = getKeyframes(div);
|
|
|
|
assert_equals(frames.length, 2, "number of frames");
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
backgroundSize: "auto" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
backgroundSize: "50%, 6px, contain" },
|
|
];
|
|
|
|
for (let i = 0; i < frames.length; i++) {
|
|
assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
|
|
}
|
|
|
|
// Test inheriting a background-size value
|
|
|
|
expected[0].backgroundSize = div.style.backgroundSize =
|
|
"30px, 40%, auto";
|
|
frames = getKeyframes(div);
|
|
|
|
for (let i = 0; i < frames.length; i++) {
|
|
assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i
|
|
+ " after updating current style");
|
|
}
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with background-size properties and missing keyframes');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-variables 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
transform: "none" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
transform: "translate(100px)" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with CSS variables as keyframe values');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-variables-shorthand 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
marginBottom: "0px",
|
|
marginLeft: "0px",
|
|
marginRight: "0px",
|
|
marginTop: "0px" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
marginBottom: "100px",
|
|
marginLeft: "100px",
|
|
marginRight: "100px",
|
|
marginTop: "100px" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with CSS variables as keyframe values in a shorthand property');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-custom-property-in-keyframe 100s steps(2, start)';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "steps(2, start)", composite: "auto",
|
|
color: "rgb(0, 0, 0)" },
|
|
{ offset: 1, computedOffset: 1, easing: "steps(2, start)", composite: "auto",
|
|
color: "rgb(0, 255, 0)" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with a CSS variable which is overriden by the value in keyframe');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
div.style.animation = 'anim-only-custom-property-in-keyframe 100s';
|
|
|
|
const frames = getKeyframes(div);
|
|
|
|
const expected = [
|
|
{ offset: 0, computedOffset: 0, easing: "ease", composite: "auto",
|
|
transform: "translate(100px)" },
|
|
{ offset: 1, computedOffset: 1, easing: "ease", composite: "auto",
|
|
transform: "none" },
|
|
];
|
|
assert_frame_lists_equal(frames, expected);
|
|
}, 'KeyframeEffect.getKeyframes() returns expected values for ' +
|
|
'animations with only custom property in a keyframe');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
// Add custom @keyframes rule
|
|
const stylesheet = document.styleSheets[0];
|
|
const keyframes = '@keyframes anim-custom { to { left: 100px } }';
|
|
const ruleIndex = stylesheet.insertRule(keyframes, 0);
|
|
const keyframesRule = stylesheet.cssRules[ruleIndex];
|
|
|
|
t.add_cleanup(function() {
|
|
stylesheet.deleteRule(ruleIndex);
|
|
});
|
|
|
|
div.style.animation = 'anim-custom 100s';
|
|
|
|
// Sanity check the initial result
|
|
let frames = getKeyframes(div);
|
|
assert_frames_equal(
|
|
frames[frames.length - 1],
|
|
{
|
|
offset: 1,
|
|
computedOffset: 1,
|
|
easing: 'ease',
|
|
composite: 'auto',
|
|
left: '100px',
|
|
},
|
|
'Keyframes reflect the initial @keyframes rule'
|
|
);
|
|
|
|
// Update the @keyframes rule
|
|
keyframesRule.deleteRule(0);
|
|
keyframesRule.appendRule('to { left: 200px }');
|
|
|
|
// Check the result from getKeyframes() is updated
|
|
frames = getKeyframes(div);
|
|
assert_frames_equal(
|
|
frames[frames.length - 1],
|
|
{
|
|
offset: 1,
|
|
computedOffset: 1,
|
|
easing: 'ease',
|
|
composite: 'auto',
|
|
left: '200px',
|
|
},
|
|
'Keyframes reflects the updated @keyframes rule'
|
|
);
|
|
}, 'KeyframeEffect.getKeyframes() reflects changes to @keyframes rules');
|
|
|
|
</script>
|
|
</body>
|